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openwrt/target/linux/generic/hack-5.10/100-update-mtk_wed_h.patch
Felix Fietkau d0a06965e8 mediatek: add kernel code for supporting offloading wlan->eth and wlan->wlan flows 
Will be enabled by an upcoming mt76 update

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2023-03-23 17:54:18 +01:00

249 lines
7.4 KiB
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--- a/include/linux/soc/mediatek/mtk_wed.h
+++ b/include/linux/soc/mediatek/mtk_wed.h
@@ -5,21 +5,77 @@
#include <linux/rcupdate.h>
#include <linux/regmap.h>
#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
#define MTK_WED_TX_QUEUES 2
+#define MTK_WED_RX_QUEUES 2
+
+#define WED_WO_STA_REC 0x6
struct mtk_wed_hw;
struct mtk_wdma_desc;
+enum mtk_wed_wo_cmd {
+ MTK_WED_WO_CMD_WED_CFG,
+ MTK_WED_WO_CMD_WED_RX_STAT,
+ MTK_WED_WO_CMD_RRO_SER,
+ MTK_WED_WO_CMD_DBG_INFO,
+ MTK_WED_WO_CMD_DEV_INFO,
+ MTK_WED_WO_CMD_BSS_INFO,
+ MTK_WED_WO_CMD_STA_REC,
+ MTK_WED_WO_CMD_DEV_INFO_DUMP,
+ MTK_WED_WO_CMD_BSS_INFO_DUMP,
+ MTK_WED_WO_CMD_STA_REC_DUMP,
+ MTK_WED_WO_CMD_BA_INFO_DUMP,
+ MTK_WED_WO_CMD_FBCMD_Q_DUMP,
+ MTK_WED_WO_CMD_FW_LOG_CTRL,
+ MTK_WED_WO_CMD_LOG_FLUSH,
+ MTK_WED_WO_CMD_CHANGE_STATE,
+ MTK_WED_WO_CMD_CPU_STATS_ENABLE,
+ MTK_WED_WO_CMD_CPU_STATS_DUMP,
+ MTK_WED_WO_CMD_EXCEPTION_INIT,
+ MTK_WED_WO_CMD_PROF_CTRL,
+ MTK_WED_WO_CMD_STA_BA_DUMP,
+ MTK_WED_WO_CMD_BA_CTRL_DUMP,
+ MTK_WED_WO_CMD_RXCNT_CTRL,
+ MTK_WED_WO_CMD_RXCNT_INFO,
+ MTK_WED_WO_CMD_SET_CAP,
+ MTK_WED_WO_CMD_CCIF_RING_DUMP,
+ MTK_WED_WO_CMD_WED_END
+};
+
+struct mtk_rxbm_desc {
+ __le32 buf0;
+ __le32 token;
+} __packed __aligned(4);
+
+enum mtk_wed_bus_tye {
+ MTK_WED_BUS_PCIE,
+ MTK_WED_BUS_AXI,
+};
+
+#define MTK_WED_RING_CONFIGURED BIT(0)
struct mtk_wed_ring {
struct mtk_wdma_desc *desc;
dma_addr_t desc_phys;
+ u32 desc_size;
int size;
+ u32 flags;
u32 reg_base;
void __iomem *wpdma;
};
+struct mtk_wed_wo_rx_stats {
+ __le16 wlan_idx;
+ __le16 tid;
+ __le32 rx_pkt_cnt;
+ __le32 rx_byte_cnt;
+ __le32 rx_err_cnt;
+ __le32 rx_drop_cnt;
+};
+
struct mtk_wed_device {
#ifdef CONFIG_NET_MEDIATEK_SOC_WED
const struct mtk_wed_ops *ops;
@@ -28,30 +84,76 @@ struct mtk_wed_device {
bool init_done, running;
int wdma_idx;
int irq;
+ u8 version;
+
+ /* used by wlan driver */
+ u32 rev_id;
struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES];
+ struct mtk_wed_ring rx_ring[MTK_WED_RX_QUEUES];
struct mtk_wed_ring txfree_ring;
struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES];
+ struct mtk_wed_ring rx_wdma[MTK_WED_RX_QUEUES];
struct {
int size;
void **pages;
struct mtk_wdma_desc *desc;
dma_addr_t desc_phys;
- } buf_ring;
+ } tx_buf_ring;
+
+ struct {
+ int size;
+ struct page_frag_cache rx_page;
+ struct mtk_rxbm_desc *desc;
+ dma_addr_t desc_phys;
+ } rx_buf_ring;
+
+ struct {
+ struct mtk_wed_ring ring;
+ dma_addr_t miod_phys;
+ dma_addr_t fdbk_phys;
+ } rro;
/* filled by driver: */
struct {
- struct pci_dev *pci_dev;
+ union {
+ struct platform_device *platform_dev;
+ struct pci_dev *pci_dev;
+ };
+ enum mtk_wed_bus_tye bus_type;
+ void __iomem *base;
+ u32 phy_base;
u32 wpdma_phys;
+ u32 wpdma_int;
+ u32 wpdma_mask;
+ u32 wpdma_tx;
+ u32 wpdma_txfree;
+ u32 wpdma_rx_glo;
+ u32 wpdma_rx;
+
+ bool wcid_512;
u16 token_start;
unsigned int nbuf;
+ unsigned int rx_nbuf;
+ unsigned int rx_npkt;
+ unsigned int rx_size;
+
+ u8 tx_tbit[MTK_WED_TX_QUEUES];
+ u8 rx_tbit[MTK_WED_RX_QUEUES];
+ u8 txfree_tbit;
u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id);
int (*offload_enable)(struct mtk_wed_device *wed);
void (*offload_disable)(struct mtk_wed_device *wed);
+ u32 (*init_rx_buf)(struct mtk_wed_device *wed, int size);
+ void (*release_rx_buf)(struct mtk_wed_device *wed);
+ void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
+ struct mtk_wed_wo_rx_stats *stats);
+ int (*reset)(struct mtk_wed_device *wed);
+ void (*reset_complete)(struct mtk_wed_device *wed);
} wlan;
#endif
};
@@ -59,10 +161,16 @@ struct mtk_wed_device {
struct mtk_wed_ops {
int (*attach)(struct mtk_wed_device *dev);
int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
- void __iomem *regs);
+ void __iomem *regs, bool reset);
+ int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring,
+ void __iomem *regs, bool reset);
int (*txfree_ring_setup)(struct mtk_wed_device *dev,
void __iomem *regs);
+ int (*msg_update)(struct mtk_wed_device *dev, int cmd_id,
+ void *data, int len);
void (*detach)(struct mtk_wed_device *dev);
+ void (*ppe_check)(struct mtk_wed_device *dev, struct sk_buff *skb,
+ u32 reason, u32 hash);
void (*stop)(struct mtk_wed_device *dev);
void (*start)(struct mtk_wed_device *dev, u32 irq_mask);
@@ -73,6 +181,8 @@ struct mtk_wed_ops {
u32 (*irq_get)(struct mtk_wed_device *dev, u32 mask);
void (*irq_set_mask)(struct mtk_wed_device *dev, u32 mask);
+ int (*setup_tc)(struct mtk_wed_device *wed, struct net_device *dev,
+ enum tc_setup_type type, void *type_data);
};
extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops;
@@ -97,12 +207,22 @@ mtk_wed_device_attach(struct mtk_wed_dev
return ret;
}
+static inline bool
+mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
+{
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+ return dev->version != 1;
+#else
+ return false;
+#endif
+}
+
#ifdef CONFIG_NET_MEDIATEK_SOC_WED
#define mtk_wed_device_active(_dev) !!(_dev)->ops
#define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
#define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask)
-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) \
- (_dev)->ops->tx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \
+ (_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset)
#define mtk_wed_device_txfree_ring_setup(_dev, _regs) \
(_dev)->ops->txfree_ring_setup(_dev, _regs)
#define mtk_wed_device_reg_read(_dev, _reg) \
@@ -113,6 +233,16 @@ mtk_wed_device_attach(struct mtk_wed_dev
(_dev)->ops->irq_get(_dev, _mask)
#define mtk_wed_device_irq_set_mask(_dev, _mask) \
(_dev)->ops->irq_set_mask(_dev, _mask)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) \
+ (_dev)->ops->rx_ring_setup(_dev, _ring, _regs, _reset)
+#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \
+ (_dev)->ops->ppe_check(_dev, _skb, _reason, _hash)
+#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \
+ (_dev)->ops->msg_update(_dev, _id, _msg, _len)
+#define mtk_wed_device_stop(_dev) (_dev)->ops->stop(_dev)
+#define mtk_wed_device_dma_reset(_dev) (_dev)->ops->reset_dma(_dev)
+#define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) \
+ (_dev)->ops->setup_tc(_dev, _netdev, _type, _type_data)
#else
static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
{
@@ -120,12 +250,18 @@ static inline bool mtk_wed_device_active
}
#define mtk_wed_device_detach(_dev) do {} while (0)
#define mtk_wed_device_start(_dev, _mask) do {} while (0)
-#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
#define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
#define mtk_wed_device_reg_read(_dev, _reg) 0
#define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
#define mtk_wed_device_irq_get(_dev, _mask) 0
#define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
+#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) do {} while (0)
+#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV
+#define mtk_wed_device_stop(_dev) do {} while (0)
+#define mtk_wed_device_dma_reset(_dev) do {} while (0)
+#define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) -EOPNOTSUPP
#endif
#endif
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